Swing is the principal GUI toolkit for the Java programming language. It is a part of the JFC (Java Foundation Classes), which is an API for providing a graphical user interface for Java programs. It is completely written in Java.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | package com.tutorial101;import java.awt.EventQueue;import javax.swing.JFrame;public class SimpleEx extends JFrame { public SimpleEx() { initUI(); } private void initUI() { setTitle("Simple example"); //window title setSize(300, 200); //size window setLocationRelativeTo(null); setDefaultCloseOperation(EXIT_ON_CLOSE); } public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { //This method will close the window if we click on the close button of the titlebar @Override public void run() { SimpleEx ex = new SimpleEx(); ex.setVisible(true); } }); }} |
